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Old 01-27-2005, 10:34 AM   #1 (permalink)
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Power Supply trouble?

I'm not really sure what this problem is, but I'll try to explain it as best I can. Basically, my computer will spontaneously restart. It should be noted that this does NOT appear to be the result of an error/bluescreen. It's random, although it does seem to be a little correlated with temperature. I believe it's voltage though, because I have a 3.2E overclocked to 3.71 with a VCore set at 1.4375(somewhere around there...I'm using the Asus P4P800E bios). Heat is not the issue as I have an XP-120 with a 120mm fan. The highest temp I have seen is about 60, and that's under heavy load. I believe it's voltage because Asus Probe says that the VCore is 1.36V. It will start at about 1.39V, but drops when I begin running Prime95 to 1.37 or 1.36. I have 2 hard drives (a 74GB raptor and a 160GB), a 6800GT overclocked to roughly Ultra speeds and 7 fans (Thermaltake Xaser III case). The power supply is 420W, and a wattage calculator put me well under that (around 340 or 350, roughly). Does this indicate a power supply problem? And what can I do about this?
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Old 01-27-2005, 11:14 AM   #2 (permalink)
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Anytime you overclock your system you are asking for trouble. It sounds like it's a gaming machine and it's being pushed to crank up the fps. Have you tried just running it at it's normal settings? MB/CPU and video card? If it runs flawlessly then you know it's not meant to be overclocked, even though the bios allows you the make changes.

One thing you may want to check is the RAM you have installed. I've had intermitten issues due to RAM, inpropertly seated, incorrect settings (clock speed), etc.
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Old 01-27-2005, 11:18 AM   #3 (permalink)
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I'm also using a 3.2E and had similar problems while overclocking after a few months of use. I had to back mine off considerably to get it 100% stable. (I'd have to check at home for the settings).
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Old 01-27-2005, 12:18 PM   #4 (permalink)
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Well, the main reason that I brought this up is that I can operate for long periods of time with no problem. These are not consistent reboots, only randomly spaced ones. At home, for instance, where my max temp was about 48 (due to open space and ventilation), I can't recall a reboot that was not a result of my having pushed the system too far. Also, I have stressed the system at these settings with Sisoft Sandra and Prime 95 and by running multiple distributed computing program (distributed.net client, SETI, folding, etc) at once.
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Old 01-27-2005, 07:37 PM   #5 (permalink)
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as sashime76 said, run it back at its stock settings and see if the problem persists. Sure it can be running fine overclocked one day and then start acting all screwy the next. If it starts running fine after the stock settings are reapplied then i would not try overclocking it again.
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